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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $475.00 Put

TSM261030P00475000

Latest saved OI0Oct 23, 2026
Last change-82vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $475.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 191950 2026-10-02: 57 OI2026-10-05: 82 OI2026-10-06: 117 OI2026-10-07: 170 OI2026-10-08: 170 OI2026-10-09: 191 OI2026-10-14: 191 OI2026-10-15: 191 OI2026-10-16: 190 OI2026-10-21: 82 OI2026-10-23: 0 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing0-82
Oct 21, 202682-108
Oct 16, 2026190-1
Oct 15, 20261910
Oct 14, 20261910
Oct 09, 2026191+21
Oct 08, 20261700
Oct 07, 2026170+53
Oct 06, 2026117+35
Oct 05, 202682+25
Oct 02, 202657No prior observation